On Fri, Sep 26, 2014 at 1:56 PM, Miloslav Trmač <m...@redhat.com> wrote:
> ----- Original Message -----
>> On Fri, Sep 26, 2014 at 1:36 PM, Miloslav Trmač <m...@redhat.com> wrote:
>> > (And I always thought that HiDPI is trying to keep the screen size of
>> > elements the same and only add detail, which is inconsistent with
>> > displaying low-resolution icons in a smaller physical size, but what do I
>> > know…)
>>
>> No hidpi is about higher pixel destiny (i.e same as you get with
>> phones today). So my 3200x1600 (14 inch) laptop is effectively just a
>> 1600x900 screen with twice as high pixel destiny. So eveything gets
>> render at twice the size to not be ridiculously small.
>
> It seems to me we are saying the same thing: if you have a 32×32 icon on 
> 1600×900 taking 2%×3.6% of the screen, on 3200x1600 it should still be taking 
> 2%×3.6%, i.e. be rendered as 64×64 pixels.  Is that not the case?

Well almost that is the fallback way for non hidpi aware apps. If your
application supports hidpi it won't render a 32x32 icon that way but
use a 64x64 one instead and render it unscaled. Which looks better
(i.e non blurry).
-- 
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